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The PRIME LINE PRODUCTS N 6508 is a front-mount closet door roller designed as a direct replacement for Cox closet door systems. The roller measures 3/4 inches in diameter and features a 1/4 inch offset, allowing it to fit the track geometry specific to Cox-style sliding closet doors. Each package contains 2 rollers, providing enough hardware to service a single door panel. This part is typically installed by general contractors, finish carpenters, or experienced DIYers performing closet door hardware repairs or replacements.
This roller is suited for residential sliding closet door applications where the original Cox door hardware has worn, cracked, or broken. The 1/4 inch offset is a critical fit dimension — using a roller without the correct offset can result in misalignment, binding, or the door jumping the track. The 2-pack quantity is sized for per-door service. Packaging is carded for retail and trade counter display.
Designed as a front closet door roller replacement for Cox doors. The 1/4 inch offset is specific to this door system and should be verified against the existing hardware before installation.
Installation is typically performed by a finish carpenter or experienced DIYer. Remove the door panel from the track before replacing rollers to avoid damage to the track or door frame. Inspect the track for wear or debris before reinstalling the door with new rollers. Ensure the replacement roller offset matches the original to prevent binding or derailment after installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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